611115616652111 has 2 divisors, whose sum is σ = 611115616652112. Its totient is φ = 611115616652110.

The previous prime is 611115616652083. The next prime is 611115616652113. The reversal of 611115616652111 is 111256616511116.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-611115616652111 is a prime.

Together with 611115616652113, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (611115616652113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305557808326055 + 305557808326056.

It is an arithmetic number, because the mean of its divisors is an integer number (305557808326056).

Almost surely, 2^{611115616652111} is an apocalyptic number.

611115616652111 is a deficient number, since it is larger than the sum of its proper divisors (1).

611115616652111 is an equidigital number, since it uses as much as digits as its factorization.

611115616652111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64800, while the sum is 44.

The spelling of 611115616652111 in words is "six hundred eleven trillion, one hundred fifteen billion, six hundred sixteen million, six hundred fifty-two thousand, one hundred eleven".